The neurophysiological correlates of the triarchic model of psychopathy: An approach to the basic mechanisms of threat conditioning and inhibitory control.

Publisher: Blackwell Country of Publication: United States NLM ID: 0142657 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1469-8986 (Electronic) Linking ISSN: 00485772 NLM ISO Abbreviation: Psychophysiology Subsets: MEDLINE

Publication: Malden, MA : Blackwell
Original Publication: Baltimore, Williams & Wilkins.

Inhibition, Psychological* ; Neuropsychological Tests*; Antisocial Personality Disorder/*physiopathology ; Conditioning, Classical/*physiology ; Evoked Potentials/*physiology ; Fear/*physiology ; Psychomotor Performance/*physiology; Adolescent ; Adult ; Electroencephalography ; Event-Related Potentials, P300/physiology ; Female ; Humans ; Male ; Middle Aged ; Models, Biological ; Young Adult

The psychopathic traits boldness, meanness, and disinhibition are theorized to be underlined by trait fearlessness and externalizing vulnerability as etiologic neurobiological processes. However, little is known about the neurophysiological correlates of these traits. In this work, we explored how the three traits are associated with event-related potential (ERP) components targeted at the etiological processes in a partial delayed threat conditioning task and in a go/no-go task. Fifty community-dwelling volunteers (25 women), without history of neurological or psychiatric conditions, were recruited and assessed for psychopathic traits using the triarchic psychopathy measure. Participants performed a threat conditioning task, and a go/no-go task while undergoing an electroencephalography recording. Results from the threat conditioning task showed that boldness was significantly associated with reduced late positive potential. Concerning the go/no-go task, disinhibition was significantly associated with reduced error-related negativity ERP component. Overall, distinct psychopathic traits were found to be associated with distinct neurophysiological correlates of threat conditioning and response inhibition. This is consistent with models of psychopathy entailing trait fearlessness and externalizing proneness, and related brain mechanisms, as distinct processes underlying the expression of psychopathic traits.
(© 2020 Society for Psychophysiological Research.)

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Keywords: electroencephalography; event-related potential; inhibitory control; psychopathy; threat conditioning; triarchic model of psychopathy

Date Created: 20200314 Date Completed: 20210622 Latest Revision: 20210622

20250114

10.1111/psyp.13567

32167178